mStable's mAsset (mUSD) as a yield source for PoolTogether🎫 🎟

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【Introduction of the mStable's mAsset (mUSD) as a yield source for PoolTogether🎫 🎟】

• This is a smart contract that mStable's mAsset (mUSD) as a yield source for PoolTogether.

 

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【Workflow】

• Diagram of workflow
  

 

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【Remarks】

• Version for following the PoolTogether smart contract
  • Solidity (Solc): v0.6.12
  • Truffle: v5.1.60
  • web3.js: v1.2.9
  • openzeppelin-solidity: v3.2.0
  • ganache-cli: v6.9.1 (ganache-core: 2.10.2)

 

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【Setup】

① Install modules

• Install npm modules in the root directory

$ npm install

② Compile & migrate contracts (on local)

$ npm run migrate:local

③ Test (Mainnet-fork approach)

• 1: Start ganache-cli with mainnet-fork

$ ganache-cli -d --fork https://mainnet.infura.io/v3/{YOUR INFURA KEY}@{BLOCK_NUMBER}

(※ -d option is the option in order to be able to use same address on Ganache-CLI every time)

• 2: Execute test of the smart-contracts (on the local)
  • Test for the MStableYieldSource contract
    $ npm run test:MStableYieldSource
    ($ truffle test ./test/test-local/MStableYieldSource.test.js)

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【References】

• PoolTogether
  • Doc: https://docs.pooltogether.com/protocol/prize-strategy
  • Workshop: https://www.youtube.com/watch?v=sTsMt0zdOHY
  • GR9 Prize：https://github.com/pooltogether/Gitcoin_Grants_Round_9_Bounties

• mStable
  • Doc：https://docs.mstable.org/developers/introduction
  • idea：https://docs.mstable.org/developers/introduction#bb4f
  • Saving：https://docs.mstable.org/mstable-assets/massets/native-interest-rate
  • Live dApp (Ropsten, Kovan)：https://docs.mstable.org/developers/introduction#live-apps

• Deployed-addresses on Mainnet
  • PoolTogether：https://docs.pooltogether.com/networks/ethereum#builders
  • mStable：https://docs.mstable.org/developers/deployed-addresses

• GR9 Prize in Gitcoin https://gitcoin.co/issue/pooltogether/Gitcoin_Grants_Round_9_Bounties/1/100025059